Key facts
- This page summarizes Chia Yuan Wang's Form 4 filing for GERDAU S.A. (GGB).
- 1 reported transaction and 4 derivative rows are listed below.
- Accepted by SEC: 03 Jun 2026, 16:54.
Chia Yuan Wang - 02 Jun 2026 Form 4 Insider Report for GERDAU S.A. (GGB)
- Reporting relationship
- Senior Management
- Issuer ticker
- GGB
- Reported as of
- 02 Jun 2026
- Net transaction value
- -$138,898
- SEC form
- 4
- Accepted by SEC
- 03 Jun 2026, 16:54:26 UTC
- Prior SEC filing
- 07 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Chia Yuan Wang
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Chia Yuan Wang filed Form 4 for GERDAU S.A. (GGB) on 03 Jun 2026.
Change
- Previous filing in this sequence was filed on 07 May 2026.
- Current net transaction value: -$138,898.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002119830
Primary reporting owner
Wang Chia Yuan
- Relationship
- Senior Management
- Address
- AVENUE DOUTORA RUTH DE CARDOSO, 8501, 8TH FLOOR, PINHEIROS, SAO PAULO
- Signature
- /s/ Chia Yuan Wang
- Signature date
- 03 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GGB
transaction
Preferred shares
Sale
- Transaction value
- $138,898
- Shares
- -30,935
- Change %
- -100%
- Price
- $4.49
- Shares after
- 0
- Date
- 02 Jun 2026
- Ownership
- Direct
- Footnotes
- F1, F2
GGB
holding
Preferred shares
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 882
- Date
- 02 Jun 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
GGB
holding
Derivative
Restricted Stock Units
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 76,817
- Date
- 02 Jun 2026
- Ownership
- Direct
- Underlying class
- Preferred shares
- Underlying amount
- 76,817
- Exercise price
- $3.58
- Footnotes
- F3
GGB
holding
Derivative
Restricted Stock Units
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 184,494
- Date
- 02 Jun 2026
- Ownership
- Direct
- Underlying class
- Preferred shares
- Underlying amount
- 184,494
- Exercise price
- $3.57
- Footnotes
- F4
GGB
holding
Derivative
Restricted Stock Units
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 102,580
- Date
- 02 Jun 2026
- Ownership
- Direct
- Underlying class
- Preferred shares
- Underlying amount
- 102,580
- Exercise price
- $2.83
- Footnotes
- F5
GGB
holding
Derivative
Restricted Stock Units
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 75,639
- Date
- 02 Jun 2026
- Ownership
- Direct
- Underlying class
- Preferred shares
- Underlying amount
- 75,639
- Exercise price
- $4.04
- Footnotes
- F6
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 6 footnotes
Footnote F1
American Depositary Receipts.
Footnote F2
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.86 to $4.91, inclusive.
Footnote F3
Restricted stock units vest on March 1, 2027 (American Depositary Receipts).
Footnote F4
Restricted stock units vest on July 31, 2027 (American Depositary Receipts).
Footnote F5
Restricted stock units vest on March 1, 2028 (American Depositary Receipts).
Footnote F6
Restricted stock units vest on March 1, 2029 (American Depositary Receipts).